SM UB-75

For other ships with the same name, see German submarine U-75.
UB-148 at sea, a U-boat similar to UB-75.
History
German Empire
NameUB-75
Ordered23 September 1916[1]
BuilderBlohm & Voss, Hamburg
Cost3,338,000 German Papiermark
Yard number304
Launched5 May 1917[2]
Commissioned11 September 1917[2]
FateStruck mine 10 December 1917 at 54°5′N 0°10′E / 54.083°N 0.167°E / 54.083; 0.167, all hands lost.[2]
General characteristics [2]
Class and typeType UB III submarine
Displacement
  • 516 t (508 long tons) surfaced
  • 648 t (638 long tons) submerged
Length55.30 m (181 ft 5 in) (o/a)
Beam5.80 m (19 ft)
Draught3.68 m (12 ft 1 in)
Propulsion
Speed
  • 13.6 knots (25.2 km/h; 15.7 mph) surfaced
  • 7.8 knots (14.4 km/h; 9.0 mph) submerged
Range
  • 8,680 nmi (16,080 km; 9,990 mi) at 8 knots (15 km/h; 9.2 mph) surfaced
  • 55 nmi (102 km; 63 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth50 m (160 ft)
Complement3 officers, 31 men[2]
Armament
Service record
Part of:
  • V Flotilla
  • 24 October – 10 December 1917
Commanders:
  • Oblt.z.S. Franz Walther[3]
  • 11 September – 10 December 1917
Operations: 2 patrols
Victories:
  • 6 merchant ships sunk
    (10,777 GRT)
  • 1 merchant ship damaged
    (1,477 GRT)

SM UB-75 was a German Type UB III submarine or U-boat in the German Imperial Navy (German: Kaiserliche Marine) during World War I. She was commissioned into the German Imperial Navy on 11 September 1917 as SM UB-75.[Note 1]

UB-75 was serving in the Flanders Flotillas. On 10 December 1917 she was lost with all hands after hitting a mine.[2]

  1. ^ Rössler 1979, p. 65.
  2. ^ a b c d e f Gröner 1991, pp. 25–30.
  3. ^ Helgason, Guðmundur. "WWI U-boat commanders: Franz Walther". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 4 February 2015.


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